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Agents & Tools updated 1 min read

Mozilla launches Firefox Smart Window assistant powered by Mistral models

Mozilla has introduced Firefox Smart Window, a beta AI browser assistant built on Mistral's large language models. The tool is designed to handle complex searches, retain memory of visited content, and summarize information from multiple open tabs. This partnership marks a significant step for Mistral, aiming to expand its reach beyond enterprise clients to individual consumers globally.

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Key points

  • Firefox Smart Window beta uses Mistral models for search, memory, and tab summarization.
  • Initial rollout covers France and North America, with UK and Germany following later.
  • Privacy features include no default server storage and a zero-data-retention commitment by Mistral.

The service is initially available in France and North America, with plans to expand to the UK and Germany later this year. A central feature of the collaboration is its privacy-first approach. By default, conversations are not stored on Mozilla's servers, and Mistral has committed to a zero-data-retention policy for this specific integration.

Both companies emphasize that the browser ecosystem should remain open to competition among various AI providers. They stress the importance of maintaining a place for open-source solutions within the browser, ensuring that users have choices rather than being locked into a single proprietary AI service.

Full story from The Decoder · by Maximilian Schreiner Open source ↗

Mozilla's new Smart Window assistant runs on Mistral's models

The Decoder · 16 September 2026

Mozilla's new Smart Window assistant runs on Mistral's models

Mistral and Mozilla are teaming up to offer AI-powered browsing that puts privacy first. Mozilla's new AI browser assistant Firefox Smart Window (beta) runs on Mistral's models.

Smart Window is built to help with complex searches, remember content you've visited, and summarize information from open tabs. It's available first in France and North America, with the UK and Germany set to follow later this year.

Conversations aren't stored on Mozilla's servers by default, according to Mistral, and Mistral commits to storing no data. With the partnership, Mistral wants to move beyond its business customer work and reach end users worldwide. At the same time, the companies say the browser should stay a place where different AI providers can compete and where open source has a firm spot.

Source: Firefox Smart Window / Beta | Mistral

This text was published by The Decoder and written by Maximilian Schreiner. It is reproduced here with attribution so you can read it in full; the rights remain with the publisher. Read it at the source ↗

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